10 20 30 40 50 AGGGGAUUUCUAUGUGG--| U UGCU C A UGUAAUGA GAGC GUCAG GUAC AUGCUGGU GCCAG \ CUCG CGGUC CGUG UGUGACCA CGGUC A UGAUUUACUUUAUGUGUGA^ U CCUC U A CUCGUUGA 110 100 90 80 70 60